210918589

素因数分解:

$7^3\times {\mathrm{149}}^1\times {\mathrm{4127}}^1$

素因数の和:4297

約数の個数: 16

約数和(自身を含む): 247680000

約数和(自身を除く): 36761411

約数列:

[1, 7, 49, 149, 343, 1043, 4127, 7301, 28889, 51107, 202223, 614923, 1415561, 4304461, 30131227, 210918589]

約数ペア:

[(1, 210918589), (7, 30131227), (49, 4304461), (149, 1415561), (343, 614923), (1043, 202223), (4127, 51107), (7301, 28889)]